Earthquakes on May 11, 2023
308
EARTHQUAKES on May 11, 2023
24-hour UTC period · USGS data
22 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
41
M3.0–3.9
14
M2.0–2.9
61
M1.0–1.9
187
Activity Summary
308
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Significant Earthquakes (M4.5+)
5.8
southwestern Ryukyu Islands, Japan
13:33 UTC · 21.6 km deep
5.5
Lake Almanor Earthquake
23:19 UTC · 5.8 km deep
Felt by 7,030
5.2
23 km WNW of Hiroo, Japan
09:52 UTC · 61.9 km deep
Felt by 3
5.0
59 km W of Gunungsitoli, Indonesia
14:36 UTC · 27.2 km deep
5.0
102 km SSE of Ust’-Kamchatsk Staryy, Russia
12:03 UTC · 22.5 km deep
4.9
42 km S of Kangding, China
18:34 UTC · 10.0 km deep
4.9
24 km ENE of San Antonio, Venezuela
18:31 UTC · 10.0 km deep
Felt by 2
4.8
110 km SSE of Ust’-Kamchatsk Staryy, Russia
04:48 UTC · 10.0 km deep
Earthquake Map — May 11, 2023
All Earthquakes — May 11, 2023
Showing 30 of 121 (filtered from 308)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-05-11 2023-05-11 23:49:15 UTC | 2.2md | 37km SSW of Qualeys Camp, NV 37.990°, -118.664° | 6.0 km | 2 | - | - | ✓ Reviewed | USGS → |
On May 11, 2023 at 23:49 UTC, a magnitude 2.2 earthquake struck 37km SSW of Qualeys Camp, NV. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:45:15 UTC | 2.5md | 1km ENE of Almanor, CA 40.222°, -121.162° | 5.4 km | 22 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 1km ENE of Almanor, CA on May 11, 2023, with origin time 23:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.5 earthquake that occurred about 1 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:44:22 UTC | 4.4mb | south of the Fiji Islands -24.389°, 179.620° | 560.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected south of the Fiji Islands on May 11, 2023, with origin time 23:44 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:38:30 UTC | 2.6md | 4km E of Prattville, CA 40.204°, -121.106° | 6.2 km | 81 | - | - | ✓ Reviewed | USGS → |
On May 11, 2023 at 23:38 UTC, a magnitude 2.6 earthquake struck 4km E of Prattville, CA. This event falls inside the aftershock decay of a nearby magnitude 5.5 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:34:53 UTC | 2.4md | 3km E of Prattville, CA 40.206°, -121.118° | 3.4 km | 4 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 3km E of Prattville, CA on May 11, 2023 at 23:34 UTC. It arrived roughly 1 hours after a larger magnitude 5.5 mainshock in the same 20 km area, placing it within the typical aftershock window. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:30:17 UTC | 2.6md | 3km SSW of East Shore, CA 40.212°, -121.087° | 6.6 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 3km SSW of East Shore, CA at 23:30 UTC on May 11, 2023. It arrived roughly 1 hours after a larger magnitude 5.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:29:43 UTC | 2.6md | 4km E of Prattville, CA 40.203°, -121.113° | 5.8 km | 7 | - | - | ✓ Reviewed | USGS → |
On May 11, 2023, worldwide seismic activity registered a magnitude 2.6 earthquake 4km E of Prattville, CA at 23:29 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.5 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:26:03 UTC | 2.4md | 4km SW of East Shore, CA 40.220°, -121.113° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
On May 11, 2023 at 23:26 UTC, a magnitude 2.4 earthquake struck 4km SW of East Shore, CA. Coming 1 hours after a magnitude 5.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:23:48 UTC | 2.8ml | 2km NNE of Almanor, CA 40.230°, -121.166° | 5.8 km | 56 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 2km NNE of Almanor, CA with origin time 23:23 UTC on May 11, 2023. Coming 1 hours after a magnitude 5.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:19:41 UTC | 5.5mw | Lake Almanor Earthquake 40.204°, -121.109° | 5.8 km | 7,030 | VI | green | ✓ Reviewed | USGS → |
A magnitude 5.5 earthquake was recorded near Lake Almanor Earthquake on May 11, 2023 at 23:19 UTC. A tsunami evaluation was automatically initiated given the magnitude and location. In the 72 hours after this event, the USGS recorded 7 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:06:17 UTC | 2.3md | 5 km SW of Volcano, Hawaii 19.410°, -155.278° | 0.6 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.3 earthquake 5 km SW of Volcano, Hawaii came in on May 11, 2023 at 23:06 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 23:03:59 UTC | 3.0ml | 127 km SW of Adak, Alaska 51.173°, -178.082° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 127 km SW of Adak, Alaska on May 11, 2023 at 23:03 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 22:49:55 UTC | 2.0ml | 42 km NW of Toyah, Texas 31.530°, -104.165° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 42 km NW of Toyah, Texas at 22:49 UTC on May 11, 2023. This event falls inside the aftershock decay of a nearby magnitude 3.6 earthquake that occurred about 15 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 22:42:50 UTC | 2.1ml | 8 km W of Davis, Oklahoma 34.517°, -97.211° | 1.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 11, 2023 at 22:42 UTC, a magnitude 2.1 earthquake struck 8 km W of Davis, Oklahoma. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 7 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 22:33:44 UTC | 2.7md | 6 km NNW of Summerville, Oregon 45.542°, -118.032° | 3.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 6 km NNW of Summerville, Oregon at 22:33 UTC on May 11, 2023. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 22:32:59 UTC | 4.1mb | 17 km S of Tocopilla, Chile -22.251°, -70.199° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 17 km S of Tocopilla, Chile on May 11, 2023, with origin time 22:32 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 22:25:27 UTC | 2.4ml | 15 km NE of West Yellowstone, Montana 44.758°, -110.968° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
May 11, 2023 brought a magnitude 2.4 earthquake 15 km NE of West Yellowstone, Montana, logged at 22:25 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 22:11:54 UTC | 4.1mb | 95 km SE of Birżebbuġa, Malta 35.224°, 15.276° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 95 km SE of Birżebbuġa, Malta came in on May 11, 2023 at 22:11 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 22:07:21 UTC | 4.4mb | 54 km SSE of Kangding, China 29.531°, 102.129° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 54 km SSE of Kangding, China came in on May 11, 2023 at 22:07 UTC. Coming 4 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:56:41 UTC | 4.1mb | 53 km S of Cilacap, Indonesia -8.206°, 108.975° | 79.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 53 km S of Cilacap, Indonesia on May 11, 2023 at 21:56 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:53:29 UTC | 2.4ml | 9 km ENE of P?hala, Hawaii 19.250°, -155.400° | 31.6 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.4 earthquake 9 km ENE of P?hala, Hawaii with origin time 21:53 UTC on May 11, 2023. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:53:16 UTC | 2.6ml | 40 km ESE of P?hala, Hawaii 19.080°, -155.115° | 14.2 km | - | - | - | Auto | USGS → |
A magnitude 2.6 seismic event took place 40 km ESE of P?hala, Hawaii on May 11, 2023 at 21:53 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:45:32 UTC | 2.0ml | 33 km NNW of Toyah, Texas 31.578°, -103.958° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 33 km NNW of Toyah, Texas on May 11, 2023, with origin time 21:45 UTC. Coming 14 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:44:37 UTC | 2.2ml | 5 km SW of Volcano, Hawaii 19.412°, -155.273° | 0.4 km | - | - | - | ✓ Reviewed | USGS → |
May 11, 2023 brought a magnitude 2.2 earthquake 5 km SW of Volcano, Hawaii, logged at 21:44 UTC. It arrived roughly 13 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:38:57 UTC | 4.0mb | 45 km SSE of Jurm, Afghanistan 36.479°, 71.014° | 126.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 11, 2023 at 21:38 UTC, a magnitude 4.0 earthquake struck 45 km SSE of Jurm, Afghanistan. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:28:56 UTC | 2.0ml | 7 km SW of Volcano, Hawaii 19.393°, -155.277° | 1.7 km | - | - | - | ✓ Reviewed | USGS → |
On May 11, 2023 at 21:28 UTC, a magnitude 2.0 earthquake struck 7 km SW of Volcano, Hawaii. Coming 13 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:25:17 UTC | 4.6mb | 30 km SE of Hengchun, Taiwan 21.802°, 120.949° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 30 km SE of Hengchun, Taiwan on May 11, 2023 at 21:25 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:17:28 UTC | 2.8ml | 123 km S of King Cove, Alaska 53.955°, -162.171° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 11, 2023, worldwide seismic activity registered a magnitude 2.8 earthquake 123 km S of King Cove, Alaska at 21:17 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 21:16:05 UTC | 2.1ml | 9 km ENE of P?hala, Hawaii 19.240°, -155.394° | 30.6 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.1 earthquake 9 km ENE of P?hala, Hawaii with origin time 21:16 UTC on May 11, 2023. It arrived roughly 12 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-05-11 2023-05-11 20:44:56 UTC | 4.5mb | 94 km S of Saiha, India 21.654°, 93.138° | 51.1 km | - | - | - | ✓ Reviewed | USGS → |
At 20:44 UTC on May 11, 2023, a magnitude 4.5 tremor occurred 94 km S of Saiha, India. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
Legend:
Mag: Magnitude (magType = ml, mb, mw, etc.)
Felt: Number of DYFI felt reports
MMI: Modified Mercalli Intensity (I-X+)
Alert: PAGER alert level
Depth: Shallow (<70km), Intermediate, Deep (>300km)
Status: Auto = preliminary, Reviewed = verified by seismologist
Click any row to see additional technical details.
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on May 11, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.